Q. Elmer has a collection of 300 fossils. Of these, 21% are fossilized snail shells. How many fossilized snail shells does Elmer have?
Convert to decimal: Convert the percentage of fossilized snail shells to a decimal.21% as a decimal is calculated by dividing 21 by 100.21%=10021=0.21
Calculate number of shells: Calculate the number of fossilized snail shells.We know:• Total number of fossils: 300• Percentage of fossilized snail shells as a decimal: 0.21To find the number of fossilized snail shells, multiply the total number of fossils by the decimal percentage.Number of fossilized snail shells = 0.21×300
Perform multiplication: Perform the multiplication to find the number of fossilized snail shells.0.21×300=63So, Elmer has 63 fossilized snail shells in his collection.
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